:root {
  --primary-color: #3498db;
  --accent-color: #2980b9;
  --text-color: #f5f5f5;
  --bg-color: #121212;
  --panel-bg: #202020;
  --panel-border: #3a3a3a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  background-color: var(--bg-color);
  color: var(--text-color);
}

.room-info-panel,
.navigation-panel {
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transform: translateZ(0);
}

.room-info-panel {
  position: fixed;
  bottom: -75vh; 
  left: 0;
  width: 100%;
  background-color: var(--panel-bg);
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              opacity 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              bottom 0.3s cubic-bezier(0.2, 0, 0.3, 1) !important;
  z-index: 100;
  max-height: 75vh; 
  overflow-y: auto; 

}

@media (max-width: 767px) {
  .room-info-panel {
    max-height: calc(75vh + 5px);
  }
  
  .room-info-panel.visible {
    transform: translateY(0) !important;
  }
  
  body.room-info-visible {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
    height: 100%;
  }
  
  .room-info-content {
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 15px));
  }
}

.room-info-panel.dragging {
  transition: none !important;
}

.room-info-panel.sliding-out {
  transform: translateY(100%) !important;
  opacity: 0 !important;
}

.room-info-panel.visible {
  transform: none !important;
}

.room-info-handle {
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: grab;
  position: sticky;
  top: 0;
  background-color: var(--panel-bg);
  z-index: 2;
  padding-top: 5px;
  padding-bottom: 8px;
}

.handle-indicator {
  width: 50px;
  height: 5px;
  background-color: #666;
  border-radius: 3px;
}

.room-info-content {
  padding: 0 15px 20px 15px;
}

.navigation-panel {
  position: fixed;
  top: -100%; 
  left: 0;
  width: 100%;
  background-color: var(--panel-bg);
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              opacity 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              top 0.3s cubic-bezier(0.2, 0, 0.3, 1) !important;
  z-index: 101;
  padding: 15px;
  max-height: 75vh; 
  overflow-y: auto; 
}

.navigation-panel.visible {
  top: 0;
}

.navigation-panel.sliding-out {
  transform: translateY(-100%) !important;
  opacity: 0 !important;
}

.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.nav-header h3 {
  font-size: 1.2rem;
}

.close-nav-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 28px;
  cursor: pointer;
  padding: 0 5px;
  line-height: 1;
}

.nav-inputs {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-select {
  padding: 12px;
  border-radius: 5px;
  border: 1px solid var(--panel-border);
  background-color: #2a2a2a;
  color: var(--text-color);
  font-size: 1rem;
  -webkit-appearance: none; 
  -moz-appearance: none;
  appearance: none; 
}

.find-path-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
  font-size: 1rem;
  min-height: 44px;
  position: relative;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
}

.find-path-btn:hover:not(.btn-disabled) {
  background-color: var(--accent-color);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.find-path-btn:active:not(.btn-disabled) {
  transform: scale(0.98);
}

.room-image-container {
  margin-bottom: 15px;
}

.room-image-container img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

.room-details h2 {
  margin-bottom: 10px;
  font-size: 1.3rem;
  word-wrap: break-word;
  word-break: break-word;
  line-height: 1.3;
}

.room-details p {
  margin-bottom: 20px;
  color: #ccc;
  line-height: 1.5;
  font-size: 0.95rem;
}

.directions-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
  width: 100%; 
  font-size: 1rem;
  min-height: 44px;
}

.directions-button:hover {
  background-color: var(--accent-color);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.directions-button:active {
  transform: scale(0.98);
}

.professor-profiles {
  margin: 15px 0;
}

.professor-card {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  padding: 10px;
  background-color: #2a2a2a;
  border-radius: 8px;
}

.professor-card:last-child {
  margin-bottom: 20px;
}

.professor-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
  border: 2px solid var(--primary-color);
}

.professor-info {
  flex: 1;
}

.professor-name {
  font-weight: bold;
  margin-bottom: 3px;
  font-size: 0.95rem;
}

.professor-title {
  font-size: 0.85rem;
  color: #aaa;
}

.no-professors {
  font-style: italic;
  color: #888;
  margin: 10px 0 20px;
  font-size: 0.9rem;
}

.search-wrapper {
  position: relative;
  width: 100%;
}

.search-input,
#startLocation,
#endLocation,
#startLocationSearch,
#locationSearch,
.nav-select {
  width: 100%;
  padding: 12px;
  border-radius: 5px;
  border: 1px solid var(--panel-border);
  background-color: #2a2a2a;
  color: var(--text-color);
  font-size: 1rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

select.nav-select {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23888' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 24px;
  padding-right: 36px;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  background-color: #2a2a2a;
  border: 1px solid var(--panel-border);
  border-top: none;
  border-radius: 0 0 5px 5px;
  z-index: 102;
}

.search-result-item {
  padding: 12px;
  cursor: pointer;
  transition: background-color 0.2s;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.search-result-item:hover {
  background-color: #3a3a3a;
}

.search-result-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.search-result-item:hover::after {
  width: 100%;
}

.no-results {
  padding: 12px;
  color: #999;
  font-style: italic;
  font-size: 0.9rem;
}

.direction-arrow {
  position: fixed;
  display: none;
  width: 40px;
  height: 40px;
  background-color: rgba(52, 152, 219, 0.8);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font-size: 24px;
  transform: translate(-50%, -50%);
  z-index: 90;
  pointer-events: none;
}

.location-helper {
  font-size: 0.85rem;
  color: #bbb;
  margin-top: 4px;
  transition: color 0.3s;
}

.input-group:hover .location-helper {
  color: #fff;
}

.start-navigation-btn {
  position: fixed !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  bottom: 30px !important;
  width: auto !important;
  max-width: 300px !important;
  padding: 14px 30px !important;
  text-align: center !important;
  background-color: var(--primary-color);
  color: white;
  border-radius: 30px !important;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3) !important;
  cursor: pointer;
  z-index: 110 !important;
  font-size: 1rem;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s !important;
  min-height: 44px;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

.start-navigation-btn:hover {
  background-color: var(--accent-color);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4) !important;
}

.start-navigation-btn:active {
  transform: translateX(-50%) scale(0.98) !important;
}

.you-are-here {
  position: fixed;
  display: none;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 98;
  pointer-events: none;
  white-space: nowrap;
}

.pulse-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #3498db;
  border-radius: 50%;
  margin-right: 8px;
  animation: enhanced-pulse 1.5s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes enhanced-pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.7;
    box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7);
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
    box-shadow: 0 0 0 5px rgba(52, 152, 219, 0);
  }
  100% {
    transform: scale(0.8);
    opacity: 0.7;
    box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);
  }
}

.status-message {
  position: fixed;
  top: 20px;          
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  padding: 12px 20px;
  border-radius: 8px;
  background-color: rgba(52, 152, 219, 0.9);
  color: white;
  font-weight: 500;
  z-index: 105;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease !important;
  width: 90%;
  max-width: 400px;
  text-align: center;
  font-size: 0.95rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.status-message.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.status-message.error {
  background-color: rgba(231, 76, 60, 0.9);
}

.status-message.success {
  background-color: rgba(46, 204, 113, 0.9);
}

.input-error {
  border: 1px solid #e74c3c !important;
}

.error-message {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 4px;
}

.highlight-required {
  animation: highlight 2s ease-in-out;
}

@keyframes highlight {
  0%, 100% {
    border-color: var(--panel-border);
  }
  50% {
    border-color: #e74c3c;
  }
}

.helper-text {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 3px;
}

.missing-input-glow {
  animation: yellow-glow 2s infinite ease-in-out;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.7);
  border-color: #FFD700 !important;
}

.glow-text {
  color: #FFD700 !important;
  font-weight: bold;
  animation: text-pulse 2s infinite ease-in-out;
}

@keyframes yellow-glow {
  0%, 100% {
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.7);
  }
  50% {
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.9);
  }
}

@keyframes text-pulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

.path-details-panel {
  position: fixed;
  bottom: 85px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  border-radius: 8px;
  padding: 8px 12px;
  z-index: 99;
  display: flex;
  gap: 15px;
  color: white;
}

.path-detail {
  display: flex;
  align-items: center;
  gap: 5px;
}

.detail-icon {
  font-style: normal;
}

.navigation-controls-panel {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--panel-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  width: 90%;
  max-width: 350px;
  z-index: 110;
  overflow: hidden;
  transition: all 0.3s ease;
}

.nav-controls-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background-color: rgba(0, 0, 0, 0.2);
}

.nav-controls-header h3 {
  margin: 0;
  font-size: 1.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80%;
}

.stop-nav-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  padding: 0 5px;
  line-height: 1;
}

.path-details-container {
  display: flex;
  justify-content: space-around;
  padding: 12px 15px;
  border-bottom: 1px solid var(--panel-border);
}

.control-panel-start-btn {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  min-height: 44px;
}

.control-panel-start-btn:hover {
  background-color: var(--accent-color);
}

.control-panel-start-btn:active {
  transform: scale(0.98);
}

.control-panel-start-btn.active {
  background-color: #e74c3c;
}

.control-panel-start-btn.active:hover {
  background-color: #c0392b;
}

.navigation-controls-panel-active .start-navigation-btn,
.navigation-controls-panel-active .path-details-panel {
  display: none !important;
}

.btn-disabled,
.navigation-controls-panel-active .find-path-btn,
body.navigation-active .find-path-btn {
  background-color: #7c7c7c !important;
  cursor: not-allowed !important;
  opacity: 0.7 !important;
  pointer-events: none !important;
  box-shadow: none !important;
  transition: none !important;
}

body.navigation-active .navigation-panel,
.navigation-controls-panel-active .navigation-panel {
  display: none !important;
}

body.navigation-active .room-info-panel,
.navigation-controls-panel-active .room-info-panel {
  bottom: -100% !important;
}

.options-panel {
  position: fixed;
  top: 20px;
  right: -300px;
  width: 280px;
  background-color: var(--panel-bg);
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: right 0.3s ease-in-out;
  z-index: 101;
  overflow-y: auto;
  max-height: calc(100vh - 40px);
}

.options-panel.visible {
  right: 20px;
}

.options-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid var(--panel-border);
}

.options-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

.close-options-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.options-content {
  padding: 15px;
}

.option-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.option-item label {
  font-size: 0.95rem;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.toggle-input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #555;
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

.toggle-input:checked + .toggle-slider {
  background-color: var(--primary-color);
}

.toggle-input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.options-select {
  padding: 8px 10px;
  border-radius: 5px;
  border: 1px solid var(--panel-border);
  background-color: #2a2a2a;
  color: var(--text-color);
  font-size: 0.9rem;
  width: 120px;
}

.options-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: var(--panel-bg);
  color: var(--text-color);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.high-contrast {
  --primary-color: #00b0ff;
  --accent-color: #0091ea;
  --text-color: #ffffff;
  --bg-color: #000000;
  --panel-bg: #121212;
  --panel-border: #444444;
}

.high-contrast .professor-card {
  background-color: #1a1a1a;
}

.high-contrast .search-input,
.high-contrast .nav-select,
.high-contrast .search-results {
  background-color: #1a1a1a;
  border-color: #444444;
}

.building-tooltip {
  position: fixed;
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 14px;
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  max-width: 300px;
  text-overflow: ellipsis;
  overflow: hidden;
  border: 1px solid var(--primary-color);
  transform: translateZ(0);
}

.tap-ripple {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(52, 152, 219, 0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: ripple 0.8s cubic-bezier(0, 0.5, 0.5, 1) forwards;
  z-index: 90;
}

@keyframes ripple {
  0% { 
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 1;
  }
  100% { 
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

.agent-returning {
  animation: agent-pulse 1s infinite alternate;
}

@keyframes agent-pulse {
  0% {
    opacity: 0.7;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.no-transition {
  transition: none !important;
}

body.navigation-open,
body.room-info-visible {
  overflow: hidden;
}

@media (min-width: 768px) {
  .room-info-panel {
    width: 400px;
    left: 20px;
    border-radius: 15px;
    top: auto;
    bottom: 20px;
    max-height: 80vh;
  }

  .navigation-panel {
    width: 400px;
    left: 20px;
    top: 20px;
    border-radius: 15px;
  }

  .navigation-panel.visible {
    top: 20px;
  }

  .navigation-panel.sliding-out {
    transform: translateX(-100%) !important;
    opacity: 0 !important;
  }

  .directions-button {
    width: auto;
  }

  .start-navigation-btn {
    width: auto !important;
  }

  .room-details h2 {
    font-size: 1.5rem;
  }

  .room-details p {
    font-size: 1rem;
  }

  .navigation-controls-panel {
    left: auto;
    right: 20px;
    transform: none;
  }

  .path-details-panel {
    left: 220px;
    transform: none;
  }
}

@media (max-width: 767px) {
  .navigation-panel {
    transition: transform 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
                opacity 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
                top 0.3s cubic-bezier(0.2, 0, 0.3, 1) !important;
    transform: translateY(-100%);
    top: 0;
  }
  
  .navigation-panel.visible {
    transform: translateY(0);
    top: 0;
  }
  
  body.navigation-open .room-info-panel.visible {
    bottom: -75vh !important;
  }
  
  body.navigation-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
  }
  
  .directions-button {
    padding: 15px 20px;
    margin-bottom: 15px;
  }

  .start-navigation-btn {
    width: 90% !important;
  }

  .options-panel.visible {
    width: 90%;
    left: 5%;
    right: 5%;
  }
  
  body.room-info-visible .options-panel.visible {
    max-height: calc(100vh - 250px);
  }

  .room-info-panel {
    max-height: 85vh;
  }

  .room-info-content {
    padding-bottom: 70px;
  }
}

@media (max-width: 767px) and (orientation: landscape) {
  .room-info-panel {
    max-height: 90vh;
  }

  .professor-card {
    max-width: 48%;
    display: inline-flex;
    margin-right: 2%;
  }
}

@media (max-width: 320px) {
  .professor-image {
    width: 45px;
    height: 45px;
  }

  .professor-name {
    font-size: 0.85rem;
  }

  .professor-title {
    font-size: 0.75rem;
  }
}

body.navigation-panel-visible .options-btn {
  top: 85px;
}

body.room-info-visible.navigation-controls-panel-active .room-info-panel {
  bottom: 90px;
}

@supports (padding: max(0px)) {
  .room-info-panel, 
  .navigation-panel {
    padding-left: max(15px, env(safe-area-inset-left));
    padding-right: max(15px, env(safe-area-inset-right));
  }

  .room-info-panel {
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }

  .start-navigation-btn {
    bottom: max(20px, env(safe-area-inset-bottom)) !important;
  }
}

input, select, textarea {
  font-size: 16px !important;
}

button:active {
  transform: scale(0.97);
}

.start-navigation-btn:active {
  transform: translateX(-50%) scale(0.97) !important;
}

@keyframes slideIn {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-100%);
    opacity: 0;
  }
}

@media (min-width: 768px) {
  @keyframes slideIn {
    0% {
      transform: translateX(-20px);
      opacity: 0;
    }
    100% {
      transform: translateX(0);
      opacity: 1;
    }
  }

  @keyframes slideOut {
    0% {
      transform: translateX(0);
      opacity: 1;
    }
    100% {
      transform: translateX(-100%);
      opacity: 0;
    }
  }
}

.animate-in {
  animation: slideIn 0.3s cubic-bezier(0.2, 0, 0.3, 1) forwards;
}

.animate-out {
  animation: slideOut 0.3s cubic-bezier(0.2, 0, 0.3, 1) forwards;
}

.room-info-handle:hover .handle-indicator {
  background-color: #888;
}

.room-info-handle:active .handle-indicator {
  background-color: var(--primary-color);
}

.search-input:focus,
#startLocationSearch:focus,
#locationSearch:focus,
.search-wrapper input:focus {
  border: 2px solid #2196F3 !important;
  box-shadow: 0 0 12px rgba(33, 150, 243, 0.7) !important;
  outline: none !important;
  background-color: rgba(33, 150, 243, 0.08) !important;
}

.navigation-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: var(--primary-color);
  z-index: 100;
  transition: width 0.3s ease-out;
}

@media (max-width: 767px) {
  .close-nav-btn,
  .stop-nav-btn {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .nav-header {
    padding: 5px 10px;
  }
}

.find-path-btn:not(.btn-disabled) {
  position: relative;
  overflow: hidden;
}

.find-path-btn:not(.btn-disabled)::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
  transform: scale(0);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}

.find-path-btn:not(.btn-disabled):hover::after {
  transform: scale(1.5);
  opacity: 1;
}

#destinationName {
  font-weight: bold;
  color: var(--text-color);
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.tap-highlight {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background-color: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%) scale(0);
  animation: tapHighlight 0.5s ease-out forwards;
}

@keyframes tapHighlight {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0.5;
  }
  100% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

.navigation-active * {
  user-select: none;
  -webkit-user-select: none;
}

@media print {
  .room-info-panel {
    position: static;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }
  
  .directions-button,
  .options-btn,
  .navigation-panel,
  .start-navigation-btn,
  .navigation-controls-panel {
    display: none !important;
  }
}

.destination-highlight {
  animation: destination-pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) !important;
  outline: 2px solid var(--primary-color) !important;
}

@keyframes destination-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.8);
    background-color: rgba(52, 152, 219, 0.1);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(52, 152, 219, 0);
    background-color: rgba(52, 152, 219, 0.2);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);
    background-color: transparent;
  }
}

.destination-flash {
  animation: destination-flash 0.8s ease-out;
  background-color: transparent;
  pointer-events: none;
}

@keyframes destination-flash {
  0% {
    box-shadow: inset 0 0 0 2px var(--primary-color);
    background-color: rgba(52, 152, 219, 0);
  }
  10% {
    box-shadow: inset 0 0 0 2px var(--primary-color);
    background-color: rgba(52, 152, 219, 0.4);
  }
  100% {
    box-shadow: inset 0 0 0 2px rgba(52, 152, 219, 0);
    background-color: rgba(52, 152, 219, 0);
  }
}

.destination-set #locationSearch::before,
.destination-set .search-wrapper::before {
  content: '✓';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  opacity: 0;
  animation: check-fade-in 0.5s forwards 0.3s;
}

@keyframes check-fade-in {
  from { 
    opacity: 0;
    transform: translateY(-50%) scale(0.8);
  }
  to { 
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

#destinationName {
  position: relative;
  display: inline-block;
}

#destinationName.highlight {
  animation: destination-name-highlight 1.5s ease-out;
}

@keyframes destination-name-highlight {
  0% {
    color: var(--text-color);
    text-shadow: 0 0 0 rgba(52, 152, 219, 0);
  }
  30% {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
  }
  100% {
    color: var(--text-color);
    text-shadow: 0 0 0 rgba(52, 152, 219, 0);
  }
}

.light-theme {
  --primary-color: #2196F3;
  --accent-color: #1976D2;
  --text-color: #333333;
  --bg-color: #f5f5f5;
  --panel-bg: #ffffff;
  --panel-border: #e0e0e0;
}

.light-theme .find-path-btn,
.light-theme .directions-button,
.light-theme .start-navigation-btn,
.light-theme .control-panel-start-btn {
  background-color: var(--primary-color);
  color: white;
}

.light-theme .find-path-btn:hover:not(.btn-disabled),
.light-theme .directions-button:hover,
.light-theme .start-navigation-btn:hover,
.light-theme .control-panel-start-btn:hover {
  background-color: var(--accent-color);
}

.light-theme .nav-select,
.light-theme .options-select,
.light-theme .search-input,
.light-theme #startLocation,
.light-theme #endLocation,
.light-theme #startLocationSearch,
.light-theme #locationSearch,
.light-theme .nav-select {
  background-color: white;
  color: #333333;
  border-color: #d0d0d0;
}

.light-theme .navigation-panel,
.light-theme .room-info-panel,
.light-theme .navigation-controls-panel,
.light-theme .options-panel {
  background-color: var(--panel-bg);
  color: var(--text-color);
  border-color: var(--panel-border);
}

.light-theme .nav-controls-header {
  background-color: rgba(0, 0, 0, 0.05);
}

.light-theme .close-nav-btn,
.light-theme .stop-nav-btn,
.light-theme .close-options-btn {
  color: #333333;
}

.light-theme .toggle-slider {
  background-color: #cccccc;
}

.light-theme .toggle-input:checked + .toggle-slider {
  background-color: var(--primary-color);
}

.light-theme .search-results {
  background-color: white;
  border-color: #d0d0d0;
}

.light-theme .search-result-item {
  color: #333333;
}

.light-theme .path-details-container,
.light-theme .path-details-panel {
  background-color: rgba(240, 240, 240, 0.9);
  color: #333333;
}

.light-theme .you-are-here {
  background-color: rgba(255, 255, 255, 0.9);
  color: #333333;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.light-theme .building-tooltip {
  background-color: rgba(255, 255, 255, 0.9);
  color: #333333;
  border: 1px solid var(--primary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.light-theme .room-info-content,
.light-theme .options-content {
  color: var(--text-color);
}

.light-theme #destinationName {
  color: var(--text-color);
}

.light-theme .professor-card {
  background-color: #f0f0f0;
  border: 1px solid #dddddd;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.light-theme .professor-image {
  border-color: var(--primary-color);
}

.light-theme .professor-name {
  color: #333333;
  font-weight: bold;
}

.light-theme .professor-title {
  color: #555555;
}

.light-theme .missing-input-glow {
  animation: light-yellow-glow 2s infinite ease-in-out;
  box-shadow: 0 0 8px rgba(255, 180, 0, 0.9);
  border-color: #FF9800 !important;
}

.light-theme .glow-text {
  color: #FF6F00 !important;
  font-weight: bold;
  text-shadow: 0 0 2px rgba(255, 111, 0, 0.2);
}

@keyframes light-yellow-glow {
  0%, 100% {
    box-shadow: 0 0 8px rgba(255, 152, 0, 0.7);
  }
  50% {
    box-shadow: 0 0 15px rgba(255, 152, 0, 1);
  }
}

.light-theme .option-item:last-child {
  border-bottom: none;
}

.light-theme .room-details p {
  color: #444444;
}

.light-theme .no-professors {
  color: #666666;
}

.room-info-handle {
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: sticky;
  top: 0;
  background-color: var(--panel-bg);
  z-index: 2;
  padding-top: 8px;
  padding-bottom: 8px;
  touch-action: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.handle-indicator {
  width: 60px;
  height: 5px;
  background-color: #888;
  border-radius: 3px;
}

.room-info-handle:active .handle-indicator {
  background-color: var(--primary-color);
  height: 6px;
  transition: background-color 0.2s, height 0.2s;
}

.room-info-panel {
  position: fixed;
  bottom: -75vh; 
  left: 0;
  width: 100%;
  background-color: var(--panel-bg);
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              opacity 0.3s cubic-bezier(0.2, 0, 0.3, 1), 
              bottom 0.3s cubic-bezier(0.2, 0, 0.3, 1) !important;
  z-index: 100;
  max-height: 75vh; 
  overflow-y: auto;
  overscroll-behavior: contain;
}

@media (min-width: 768px) {
  .room-info-panel {
    width: 400px;
    left: 20px;
    border-radius: 15px;
    top: auto;
    bottom: -100% !important;
  }
  
  .room-info-panel.visible {
    bottom: 20px !important;
    transform: none !important;
  }

  .room-info-handle {
    height: 40px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
  }
  
  .handle-indicator {
    width: 50px;
    height: 5px;
  }
}

@media (max-width: 767px) {
  .room-info-panel {
    will-change: transform;
    transform: translateZ(0);
  }

  .room-info-panel.dragging {
    transition: none !important;
  }
  
  .room-info-panel.visible {
    animation: panelBounce 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }
  
  .room-info-handle {
    height: 54px;
    padding-top: 12px;
    padding-bottom: 8px;
  }
  
  .handle-indicator {
    width: 70px;
    height: 6px;
  }
}

@keyframes panelBounce {
  0% { transform: translateY(20px); }
  100% { transform: translateY(0); }
}

.room-info-content {
  padding: 0 15px 20px 15px;
  -webkit-overflow-scrolling: touch;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 150, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(150, 150, 150, 0.5);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(150, 150, 150, 0.3) transparent;
}

.search-results::-webkit-scrollbar {
  width: 4px;
}

.search-results::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 150, 0.2);
}

.search-results {
  scrollbar-width: thin;
  scrollbar-color: rgba(150, 150, 150, 0.2) transparent;
}

.room-info-panel::-webkit-scrollbar {
  width: 5px;
}

.room-info-panel::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 150, 0.25);
}

.room-info-panel {
  scrollbar-width: thin;
  scrollbar-color: rgba(150, 150, 150, 0.25) transparent;
}

.light-theme ::-webkit-scrollbar-thumb {
  background: rgba(100, 100, 100, 0.2);
}

.light-theme ::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 100, 100, 0.4);
}

.light-theme * {
  scrollbar-color: rgba(100, 100, 100, 0.2) transparent;
}

